//Create images for use in gallery
var im0=new Image()
var im1=new Image()
var im2=new Image()
var im3=new Image()
//Changes the source of the hero image based on the value of the input variable i (1,2,3 or 4)
function swap(i){
	document.images.hero.src=eval("im"+i+".src")		
}//end function